Question

11. A hard water sample on analysis was found to contain the following dissolved salts ;
(1) Ca(HCO), = 0.81 g/1
(ii) MgSo, = 1.2 g/
(iii) MgCl, = 1.90 g/
Calculate the degree of hardness of water sample on p.p.m. scale. Given atomic weight
of Ca = 40, Mg = 24, S = 32 and Cl = 35.5.
[Ans. 3500 ppm]
por litre​

Answer 1

Answer:

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